Mirjam Barrueto snowshoes through knee-deep snow into the backcountry just off the Icefields Parkway, breaking a trail as she pinpoints the spot with a hand-held GPS. She carries a large pack with a frozen, skinned beaver on her back. As she trudges along, she hunts for animal tracks.

CALGARY — Wanted: Volunteers for a wolverine hair trap survey this winter. Must be willing to ski in difficult terrain, carry a backpack with a 10- to 14-kg frozen beaver carcass inside and follow science protocol. Winter backcountry and wilderness experience required. Positive attitude a plus. It’s a rare opportunity to learn more about wolverines as part of a study into the highly elusive creatures.

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